Control Register Details - Epson S1C17001 Technical Manual

19 SPI

19.7 Control Register Details

Address
0x4320 SPI_ST SPI Status Register
0x4322 SPI_TXD SPI Transmit Data Register
0x4324 SPI_RXD SPI Receive Data Register
0x4326 SPI_CTL SPI Control Register
The SPI registers are described in detail below. These are 16-bit registers.
Note: • When data is written to the registers, the "Reserved" bits must always be written as 0 and
not 1.
• Always use 16-bit access commands to read and write to/from the SPI register. 32-bit and
8-bit access commands cannot be used to read and write to/from the SPI register.
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Table 19.7.1: SPI register list
Register name
EPSON
Function
Transfer, buffer status display
Transmission data
Received data
SPI mode and data transfer permission setting
S1C17001 TECHNICAL MANUAL